OFFSET
1,2
PROG
(PARI) a(n) = if(n<6, n, a(n-5)*a(n-3)*a(n-1)-a(n-4)*a(n-2));
vector(20, n, a(n)) \\ Altug Alkan, Oct 08 2015
(Magma) [n le 5 select n else Self(n-5)*Self(n-3)*Self(n-1)-Self(n-4)*Self(n-2): n in [1..20]]; // Vincenzo Librandi, Oct 09 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Gianmarco Giordano, Oct 08 2015
EXTENSIONS
More terms from Altug Alkan, Oct 08 2015
STATUS
approved